/*
 *  Copyright 2021 Netflix, Inc.
 *  <p>
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 *  the License. You may obtain a copy of the License at
 *  <p>
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  <p>
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 *  an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 *  specific language governing permissions and limitations under the License.
 */
package com.netflix.conductor.core.execution.evaluators;

public interface Evaluator {
   /**
    * Evaluate the expression using the inputs provided, if required.
    * Evaluation of the expression depends on the type of the evaluator.
    * @param expression Expression to be evaluated.
    * @param input Input object to the evaluator to help evaluate the expression.
    * @return Return the evaluation result.
    */
   Object evaluate(String expression, Object input);
}
